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-rw-r--r--winsup/doc/cygwinenv.xml6
1 files changed, 5 insertions, 1 deletions
diff --git a/winsup/doc/cygwinenv.xml b/winsup/doc/cygwinenv.xml
index f549fee0d..a52b6ac19 100644
--- a/winsup/doc/cygwinenv.xml
+++ b/winsup/doc/cygwinenv.xml
@@ -28,9 +28,13 @@ Defaults to off.</para>
which is useful for debugging. <filename>Win32filepath</filename> is
usually set to the path to <command>gdb</command> or
<command>dumper</command>, for example
-<filename>C:\cygwin\bin\gdb.exe</filename>.
+<filename>C:\cygwin\bin\gdb.exe</filename>.
There is no default set.
</para>
+<para>
+The filename of the executing program and it's Windows process id are appended
+to the command as arguments.
+</para>
</listitem>
<listitem>